[ 65.132218][ T545] fab-br0: port 1(fbond) entered blocking state
[ 65.132549][ T545] fab-br0: port 1(fbond) entered disabled state
[ 65.132827][ T545] fbond: entered allmulticast mode
[ 65.135621][ T545] fbond: entered promiscuous mode
[ 65.136300][ T545]
[ 65.136407][ T545] =============================
[ 65.136624][ T545] WARNING: suspicious RCU usage
[ 65.136810][ T545] 6.11.0-rc2-virtme #1 Not tainted
[ 65.137020][ T545] -----------------------------
[ 65.137203][ T545] net/bridge/br_private.h:930 suspicious rcu_dereference_check() usage!
[ 65.137516][ T545]
[ 65.137516][ T545] other info that might help us debug this:
[ 65.137516][ T545]
[ 65.137966][ T545]
[ 65.137966][ T545] rcu_scheduler_active = 2, debug_locks = 1
[ 65.138262][ T545] 1 lock held by ip/545:
[ 65.138406][ T545] #0: ffffffffbb9d2948 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 65.138782][ T545]
[ 65.138782][ T545] stack backtrace:
[ 65.139013][ T545] CPU: 2 UID: 0 PID: 545 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 65.139289][ T545] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 65.139689][ T545] Call Trace:
[ 65.139836][ T545]
[ 65.139933][ T545] dump_stack_lvl+0xb0/0xd0
[ 65.140124][ T545] lockdep_rcu_suspicious+0x1e5/0x270
[ 65.140307][ T545] ? __pfx_br_handle_frame+0x10/0x10
[ 65.140497][ T545] br_get_link_af_size_filtered+0x18e/0x220
[ 65.140724][ T545] br_info_notify+0xe6/0x280
[ 65.140917][ T545] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 65.141145][ T545] br_add_if+0xa63/0x1520
[ 65.141287][ T545] ? rtnl_is_locked+0x15/0x20
[ 65.141467][ T545] ? netdev_master_upper_dev_get+0x13/0x120
[ 65.141693][ T545] do_setlink+0x84b/0x21e0
[ 65.141878][ T545] ? is_bpf_text_address+0x67/0x120
[ 65.142067][ T545] ? __pfx_do_setlink+0x10/0x10
[ 65.142246][ T545] ? is_bpf_text_address+0x71/0x120
[ 65.142429][ T545] ? kernel_text_address+0xce/0xe0
[ 65.142614][ T545] ? __kernel_text_address+0x12/0x40
[ 65.142792][ T545] ? unwind_get_return_address+0x5e/0xa0
[ 65.142978][ T545] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 65.143202][ T545] ? arch_stack_walk+0xa2/0xf0
[ 65.143398][ T545] ? stack_trace_save+0x94/0xd0
[ 65.143582][ T545] ? __pfx_stack_trace_save+0x10/0x10
[ 65.143762][ T545] ? __pfx_validate_nla+0x10/0x10
[ 65.143949][ T545] ? mark_lock+0x38/0x3e0
[ 65.144097][ T545] ? kasan_save_stack+0x34/0x50
[ 65.144284][ T545] ? __nla_validate_parse+0x1bc/0x3d0
[ 65.144472][ T545] __rtnl_newlink+0xaa7/0xd80
[ 65.144664][ T545] ? hlock_class+0x4e/0x130
[ 65.144850][ T545] ? __pfx___rtnl_newlink+0x10/0x10
[ 65.145049][ T545] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 65.145278][ T545] ? __create_object+0x5e/0xb0
[ 65.145462][ T545] ? trace_kmalloc+0x2d/0xe0
[ 65.145652][ T545] rtnl_newlink+0x63/0xa0
[ 65.145801][ T545] rtnetlink_rcv_msg+0x2fb/0xc10
[ 65.145989][ T545] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 65.146170][ T545] ? hlock_class+0x4e/0x130
[ 65.146350][ T545] ? mark_lock+0x38/0x3e0
[ 65.146495][ T545] ? __lock_acquire+0xb35/0x1560
[ 65.146676][ T545] netlink_rcv_skb+0x130/0x360
[ 65.146860][ T545] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 65.147040][ T545] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 65.147240][ T545] ? netlink_deliver_tap+0x13e/0x340
[ 65.147425][ T545] ? netlink_deliver_tap+0xc3/0x340
[ 65.147608][ T545] netlink_unicast+0x44b/0x710
[ 65.147792][ T545] ? __pfx_netlink_unicast+0x10/0x10
[ 65.147972][ T545] ? find_held_lock+0x2c/0x110
[ 65.148162][ T545] netlink_sendmsg+0x723/0xbe0
[ 65.148344][ T545] ? __pfx_netlink_sendmsg+0x10/0x10
[ 65.148523][ T545] ? __might_fault+0xc3/0x170
[ 65.148711][ T545] ? __import_iovec+0x35d/0x5d0
[ 65.148902][ T545] ____sys_sendmsg+0x7b2/0xa10
[ 65.149086][ T545] ? __pfx_____sys_sendmsg+0x10/0x10
[ 65.149265][ T545] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 65.149489][ T545] ? __pfx_validate_chain+0x10/0x10
[ 65.149679][ T545] ___sys_sendmsg+0xee/0x170
[ 65.149864][ T545] ? __pfx____sys_sendmsg+0x10/0x10
[ 65.150046][ T545] ? find_held_lock+0x2c/0x110
[ 65.150233][ T545] ? __lock_release+0x103/0x460
[ 65.150416][ T545] ? __debug_check_no_obj_freed+0x253/0x520
[ 65.150637][ T545] ? __pfx___lock_release+0x10/0x10
[ 65.150829][ T545] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 65.151016][ T545] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 65.151243][ T545] ? __fget_light+0x53/0x1e0
[ 65.151431][ T545] __sys_sendmsg+0xcd/0x170
[ 65.151608][ T545] ? __pfx___sys_sendmsg+0x10/0x10
[ 65.151791][ T545] ? __virt_addr_valid+0x230/0x430
[ 65.151991][ T545] do_syscall_64+0xc1/0x1d0
[ 65.152175][ T545] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 65.152400][ T545] RIP: 0033:0x7fbe663a77b7
[ 65.152589][ T545] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 65.153276][ T545] RSP: 002b:00007fff40cd21f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 65.153549][ T545] RAX: ffffffffffffffda RBX: 00007fff40cd2920 RCX: 00007fbe663a77b7
[ 65.153821][ T545] RDX: 0000000000000000 RSI: 00007fff40cd2260 RDI: 0000000000000005
[ 65.154089][ T545] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[ 65.154358][ T545] R10: 00000000137cc910 R11: 0000000000000246 R12: 0000000000000003
[ 65.154631][ T545] R13: 0000000066be9f44 R14: 0000000000496600 R15: 0000000000000000
[ 65.154911][ T545]
[ 65.155190][ T545]
[ 65.155286][ T545] =============================
[ 65.155472][ T545] WARNING: suspicious RCU usage
[ 65.155702][ T545] 6.11.0-rc2-virtme #1 Not tainted
[ 65.155884][ T545] -----------------------------
[ 65.156093][ T545] net/bridge/br_private.h:453 suspicious rcu_dereference_check() usage!
[ 65.156381][ T545]
[ 65.156381][ T545] other info that might help us debug this:
[ 65.156381][ T545]
[ 65.156764][ T545]
[ 65.156764][ T545] rcu_scheduler_active = 2, debug_locks = 1
[ 65.157043][ T545] 1 lock held by ip/545:
[ 65.157204][ T545] #0: ffffffffbb9d2948 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 65.157550][ T545]
[ 65.157550][ T545] stack backtrace:
[ 65.157796][ T545] CPU: 2 UID: 0 PID: 545 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 65.158071][ T545] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 65.158472][ T545] Call Trace:
[ 65.158608][ T545]
[ 65.158703][ T545] dump_stack_lvl+0xb0/0xd0
[ 65.158893][ T545] lockdep_rcu_suspicious+0x1e5/0x270
[ 65.159071][ T545] br_get_link_af_size_filtered+0x1e6/0x220
[ 65.159295][ T545] br_info_notify+0xe6/0x280
[ 65.159472][ T545] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 65.159699][ T545] br_add_if+0xa63/0x1520
[ 65.159839][ T545] ? rtnl_is_locked+0x15/0x20
[ 65.160018][ T545] ? netdev_master_upper_dev_get+0x13/0x120
[ 65.160244][ T545] do_setlink+0x84b/0x21e0
[ 65.160426][ T545] ? is_bpf_text_address+0x67/0x120
[ 65.160608][ T545] ? __pfx_do_setlink+0x10/0x10
[ 65.160804][ T545] ? is_bpf_text_address+0x71/0x120
[ 65.160994][ T545] ? kernel_text_address+0xce/0xe0
[ 65.161166][ T545] ? __kernel_text_address+0x12/0x40
[ 65.161335][ T545] ? unwind_get_return_address+0x5e/0xa0
[ 65.161504][ T545] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 65.161718][ T545] ? arch_stack_walk+0xa2/0xf0
[ 65.161903][ T545] ? stack_trace_save+0x94/0xd0
[ 65.162071][ T545] ? __pfx_stack_trace_save+0x10/0x10
[ 65.162240][ T545] ? __pfx_validate_nla+0x10/0x10
[ 65.162409][ T545] ? mark_lock+0x38/0x3e0
[ 65.162542][ T545] ? kasan_save_stack+0x34/0x50
[ 65.162723][ T545] ? __nla_validate_parse+0x1bc/0x3d0
[ 65.162931][ T545] __rtnl_newlink+0xaa7/0xd80
[ 65.163109][ T545] ? hlock_class+0x4e/0x130
[ 65.163283][ T545] ? __pfx___rtnl_newlink+0x10/0x10
[ 65.163463][ T545] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 65.163722][ T545] ? __create_object+0x5e/0xb0
[ 65.163902][ T545] ? trace_kmalloc+0x2d/0xe0
[ 65.164074][ T545] rtnl_newlink+0x63/0xa0
[ 65.164201][ T545] rtnetlink_rcv_msg+0x2fb/0xc10
[ 65.164375][ T545] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 65.164543][ T545] ? hlock_class+0x4e/0x130
[ 65.164716][ T545] ? mark_lock+0x38/0x3e0
[ 65.164847][ T545] ? __lock_acquire+0xb35/0x1560
[ 65.165017][ T545] netlink_rcv_skb+0x130/0x360
[ 65.165185][ T545] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 65.165357][ T545] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 65.165541][ T545] ? netlink_deliver_tap+0x13e/0x340
[ 65.165713][ T545] ? netlink_deliver_tap+0xc3/0x340
[ 65.165881][ T545] netlink_unicast+0x44b/0x710
[ 65.166058][ T545] ? __pfx_netlink_unicast+0x10/0x10
[ 65.166227][ T545] ? find_held_lock+0x2c/0x110
[ 65.166405][ T545] netlink_sendmsg+0x723/0xbe0
[ 65.166587][ T545] ? __pfx_netlink_sendmsg+0x10/0x10
[ 65.166752][ T545] ? __might_fault+0xc3/0x170
[ 65.166951][ T545] ? __import_iovec+0x35d/0x5d0
[ 65.167139][ T545] ____sys_sendmsg+0x7b2/0xa10
[ 65.167309][ T545] ? __pfx_____sys_sendmsg+0x10/0x10
[ 65.167478][ T545] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 65.167688][ T545] ? __pfx_validate_chain+0x10/0x10
[ 65.167865][ T545] ___sys_sendmsg+0xee/0x170
[ 65.168035][ T545] ? __pfx____sys_sendmsg+0x10/0x10
[ 65.168199][ T545] ? find_held_lock+0x2c/0x110
[ 65.168378][ T545] ? __lock_release+0x103/0x460
[ 65.168544][ T545] ? __debug_check_no_obj_freed+0x253/0x520
[ 65.168754][ T545] ? __pfx___lock_release+0x10/0x10
[ 65.168927][ T545] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 65.169104][ T545] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 65.169312][ T545] ? __fget_light+0x53/0x1e0
[ 65.169491][ T545] __sys_sendmsg+0xcd/0x170
[ 65.169658][ T545] ? __pfx___sys_sendmsg+0x10/0x10
[ 65.169823][ T545] ? __virt_addr_valid+0x230/0x430
[ 65.170011][ T545] do_syscall_64+0xc1/0x1d0
[ 65.170180][ T545] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 65.170399][ T545] RIP: 0033:0x7fbe663a77b7
[ 65.170575][ T545] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 65.171168][ T545] RSP: 002b:00007fff40cd21f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 65.171424][ T545] RAX: ffffffffffffffda RBX: 00007fff40cd2920 RCX: 00007fbe663a77b7
[ 65.171679][ T545] RDX: 0000000000000000 RSI: 00007fff40cd2260 RDI: 0000000000000005
[ 65.171931][ T545] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[ 65.172366][ T545] R10: 00000000137cc910 R11: 0000000000000246 R12: 0000000000000003
[ 65.172615][ T545] R13: 0000000066be9f44 R14: 0000000000496600 R15: 0000000000000000
[ 65.172973][ T545]
[ 65.376714][ T548] veth1-bond: entered promiscuous mode
[ 65.377093][ T548] veth1-bond: entered allmulticast mode
[ 65.377944][ T548] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[ 65.566532][ T549] veth2-bond: entered promiscuous mode
[ 65.566891][ T549] veth2-bond: entered allmulticast mode
[ 65.567375][ T549] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[ 65.742559][ T77] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[ 65.831327][ T77] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[ 65.832088][ T77] fbond: active interface up!
[ 66.039758][ T77] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[ 66.094279][ T552] fab-br0: port 1(fbond) entered blocking state
[ 66.094644][ T552] fab-br0: port 1(fbond) entered forwarding state
[ 69.299409][ T583] fbond: left allmulticast mode
[ 69.299614][ T583] veth1-bond: left allmulticast mode
[ 69.299779][ T583] veth2-bond: left allmulticast mode
[ 69.299935][ T583] fbond: left promiscuous mode
[ 69.300085][ T583] veth1-bond: left promiscuous mode
[ 69.300415][ T583] veth2-bond: left promiscuous mode
[ 69.301721][ T583] fab-br0: port 1(fbond) entered disabled state
[ 69.814393][ T584] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[ 69.815555][ T584] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[ 69.835322][ T584] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[ 69.836029][ T584] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[ 69.859915][ T584] fbond (unregistering): Released all slaves